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What is the Least Common Multiple of 502 and 509?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 502 and 509 is 255518.

LCM(502,509) = 255518

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Least Common Multiple of 502 and 509 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 502 and 509, than apply into the LCM equation.

GCF(502,509) = 1
LCM(502,509) = ( 502 × 509) / 1
LCM(502,509) = 255518 / 1
LCM(502,509) = 255518

Least Common Multiple (LCM) of 502 and 509 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 502 and 509. First we will calculate the prime factors of 502 and 509.

Prime Factorization of 502

Prime factors of 502 are 2, 251. Prime factorization of 502 in exponential form is:

502 = 21 × 2511

Prime Factorization of 509

Prime factors of 509 are 509. Prime factorization of 509 in exponential form is:

509 = 5091

Now multiplying the highest exponent prime factors to calculate the LCM of 502 and 509.

LCM(502,509) = 21 × 2511 × 5091
LCM(502,509) = 255518